Patents for H01Q 7 - Loop aerials with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop (7,833) |
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05/21/1996 | US5519321 Circularly polarizing local antenna arrangement with a movable antenna |
05/09/1996 | DE19546257A1 Magnetic directional antenna |
05/08/1996 | EP0711000A2 Hybrid antenna and broadband hybrid antenna array |
04/25/1996 | DE19505245C1 Identity chip card |
04/18/1996 | DE4436975A1 Electronic object monitoring installation |
04/16/1996 | US5508710 Conformal multifunction shared-aperture antenna |
04/04/1996 | WO1996009941A1 Concealed mobile communications system |
04/03/1996 | EP0704928A2 RF transponder system with parallel resonant interrogation and series resonant response |
04/03/1996 | EP0704816A2 RF transponder with resonant crossover antenna coil |
03/27/1996 | EP0703637A1 Antenna for an electronic surveillance system |
03/20/1996 | CN1118880A Radio frequency identification tag |
03/14/1996 | WO1996008054A1 Antenna coil |
03/14/1996 | WO1996007938A1 Radio frequency identification tag |
03/14/1996 | DE4431446A1 Generator of local interrogation fields for transponder |
03/13/1996 | EP0701297A1 Multipolarized omnidirectional transceiver antenna system |
03/10/1996 | CA2153440A1 Radio frequency identification tag |
03/07/1996 | DE4431603A1 Antennenspule Antenna coil |
02/27/1996 | US5495259 Compact parametric antenna |
02/21/1996 | EP0697140A1 Small radio watch |
02/20/1996 | US5493312 Reduced current antenna circuit |
02/15/1996 | DE4427382A1 Receiver circuit for time sign signals |
02/14/1996 | CN2220124Y Wide frequency band omnidirectional antenna for TV set |
02/08/1996 | DE4427041A1 Antenna device for cordless or radio telephone |
02/01/1996 | WO1996002954A1 Attenuator |
01/24/1996 | EP0693733A1 Short-distance communication antennas and methods of manufacture and use of same |
01/16/1996 | US5485166 Communication transceiver |
01/16/1996 | US5485165 Broadband high efficiency full wave open coaxial stub loop antenna |
01/09/1996 | US5483688 Adaptive automatic antenna tuning method and apparatus |
12/27/1995 | EP0689301A1 System of omnidirectional antennae having angular and polarisation diversity |
12/19/1995 | US5476394 Antenna connector |
12/13/1995 | EP0672308A4 Tunable microwave devices incorporating high temperature superconducting and ferroelectric films. |
12/05/1995 | CA2046165C Method and apparatus for shaping a magnetic field |
11/28/1995 | US5471142 Circularly polarized local antenna arrangement for a nuclear magnetic resonance tomography apparatus and method for operating same |
11/23/1995 | WO1995031862A1 An arrangement for preventing disturbances in electronic alarm systems |
11/21/1995 | US5469180 Method and apparatus for tuning a loop antenna |
11/15/1995 | CN1111829A Magnetic core elemment for antenna, thin-film antena, and card equipped with thin-film antenna |
11/09/1995 | WO1995030253A1 Antenna device and mobile telephone |
11/09/1995 | CA2189239A1 Antenna device and mobile telephone |
10/26/1995 | WO1995028748A1 Antenna arrangement |
10/18/1995 | EP0677887A1 Built-in chip transponder with antenna circuit |
10/18/1995 | EP0677210A1 Transmit and receive antenna having angled crossover elements |
10/17/1995 | US5459451 Electronic article surveillance system with enhanced geometric arrangement |
10/12/1995 | DE19513607A1 Magnetic core element used in thin film antenna for travel-cards |
09/27/1995 | EP0674354A2 Wireless access control system using a proximity member and antenna equipment therefor |
09/20/1995 | EP0672308A1 Tunable microwave devices incorporating high temperature superconducting and ferroelectric films |
09/19/1995 | US5451965 Flexible antenna for a personal communications device |
09/14/1995 | DE4422069C1 HF switching diode control circuit |
09/14/1995 | DE4407116A1 Ferrit-Langwellenantenne Ferrite-long wave antenna |
09/13/1995 | EP0671778A2 Antenna coil assembly for an automobile transponder key system |
09/10/1995 | CA2123062A1 Antenna coil assembly for an automobile transponder key system |
09/08/1995 | WO1995024060A1 Small radio watch |
08/31/1995 | DE4343932A1 Local antenna for magnetic resonance device |
08/23/1995 | EP0668626A1 Antenna pedestal |
08/19/1995 | CA2136390A1 Antenna pedestal |
08/15/1995 | US5442369 Toroidal antenna |
08/15/1995 | US5442368 Automobile loop antenna |
08/08/1995 | US5440296 Coil assembly for electronic article surveillance system |
08/02/1995 | EP0665519A1 Antenna device |
07/18/1995 | CA1336341C Powering and communication apparatus and method |
07/11/1995 | US5432518 Closed slot antenna having outer and inner magnetic loops |
06/27/1995 | US5428363 Antenna system for use in an automatic vehicular identification system |
06/21/1995 | EP0393103B1 Antenna structure for providing a uniform field |
06/20/1995 | US5426439 Horizontal printed circuit loop antenna with balun, fed with collinear vertical dipole antenna, providing omnidirectional dual polarization |
06/13/1995 | US5424527 Signal receiving coil and non-contact type IC card using the same |
06/06/1995 | US5422650 Loop antenna with series resonant circuit and parallel reactance providing dual resonant frequencies |
06/01/1995 | WO1995014938A1 Location apparatus and method |
05/31/1995 | EP0578701A4 Article sorting system. |
05/30/1995 | US5420579 Antenna and driving circuit for transmitting and receiving signals to and from a passive transponder |
04/26/1995 | EP0650216A1 Antenna circuit |
04/26/1995 | EP0650074A1 Highly accurate RF-ID positioning system |
04/18/1995 | US5408699 Portable radio equipment having a display |
04/18/1995 | US5408243 Method for producing a flat flexible antenna |
04/12/1995 | EP0454694B1 Reactance buffered loop antenna |
04/05/1995 | EP0646984A1 Electromagnetic detection system provided with an antenna element having one winding |
03/30/1995 | DE4332798A1 Circuit arrangement for a tunable resonant circuit |
03/29/1995 | EP0645840A1 Antenna configuration of an electromagnetic detection system and an electromagnetic detection system comprising such antenna configuration |
03/29/1995 | CN2193596Y Annular T.V receiving antenna |
03/28/1995 | US5402134 Flat plate antenna module |
03/15/1995 | EP0407532B1 Antenna structure for an electronic article surveillance system |
03/14/1995 | US5396698 Manufacture of a flexible antenna |
03/09/1995 | DE4327917A1 Magnetic antenna |
01/31/1995 | CA1334215C Concentrator |
01/25/1995 | EP0635165A1 Coil construction |
01/18/1995 | EP0634807A1 Antenna device |
12/28/1994 | EP0409867B1 Balanced low profile hybrid antenna |
12/21/1994 | EP0630068A1 Radar system and components therefor for transmitting an electromagnetic signal underwater |
12/14/1994 | EP0629019A1 Antenna device for electronic systems for protecting objects against theft |
12/13/1994 | US5373303 Built-in chip transponder with antenna coil |
12/13/1994 | US5373301 Transmit and receive antenna having angled crossover elements |
12/08/1994 | WO1994028594A1 An efficient electrically small loop antenna with a planar base element |
12/08/1994 | DE4318134A1 Circularly polarising local antenna |
12/07/1994 | CN1026934C Orthogonal loop aerial |
12/06/1994 | US5371509 Planar microwave transceiver employing shared-ground-plane antenna |
11/09/1994 | EP0500548B1 Adaptable antenna |
11/08/1994 | US5361488 Manufacturing method for antenna module |
11/02/1994 | EP0622766A1 Antenna lattice for electronic article surveillance system |
11/02/1994 | CN2181758Y Loop balcony sense antenna |
10/05/1994 | EP0386134B1 Antenna system for magnetic and resonant circuit detection |
09/21/1994 | EP0588944A4 An improved miniature transponder device |
09/21/1994 | CN2177998Y Omnidirectional receiving aerial for TV set |